US8626066B2 - Near field communication device - Google Patents

Near field communication device Download PDF

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Publication number
US8626066B2
US8626066B2 US12/882,191 US88219110A US8626066B2 US 8626066 B2 US8626066 B2 US 8626066B2 US 88219110 A US88219110 A US 88219110A US 8626066 B2 US8626066 B2 US 8626066B2
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operating state
communication unit
external device
near field
communication
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US20110065385A1 (en
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Jeremy GESLIN
Jerome PELE
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NXP BV
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NXP BV
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Assigned to MORGAN STANLEY SENIOR FUNDING, INC. reassignment MORGAN STANLEY SENIOR FUNDING, INC. CORRECTIVE ASSIGNMENT TO CORRECT THE REMOVE APPLICATION 12092129 PREVIOUSLY RECORDED ON REEL 038017 FRAME 0058. ASSIGNOR(S) HEREBY CONFIRMS THE SECURITY AGREEMENT SUPPLEMENT. Assignors: NXP B.V.
Assigned to MORGAN STANLEY SENIOR FUNDING, INC. reassignment MORGAN STANLEY SENIOR FUNDING, INC. CORRECTIVE ASSIGNMENT TO CORRECT THE REMOVE APPLICATION 12681366 PREVIOUSLY RECORDED ON REEL 039361 FRAME 0212. ASSIGNOR(S) HEREBY CONFIRMS THE SECURITY AGREEMENT SUPPLEMENT. Assignors: NXP B.V.
Assigned to MORGAN STANLEY SENIOR FUNDING, INC. reassignment MORGAN STANLEY SENIOR FUNDING, INC. CORRECTIVE ASSIGNMENT TO CORRECT THE REMOVE APPLICATION 12681366 PREVIOUSLY RECORDED ON REEL 038017 FRAME 0058. ASSIGNOR(S) HEREBY CONFIRMS THE SECURITY AGREEMENT SUPPLEMENT. Assignors: NXP B.V.
Assigned to NXP B.V. reassignment NXP B.V. RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). Assignors: MORGAN STANLEY SENIOR FUNDING, INC.
Assigned to MORGAN STANLEY SENIOR FUNDING, INC. reassignment MORGAN STANLEY SENIOR FUNDING, INC. CORRECTIVE ASSIGNMENT TO CORRECT THE REMOVE APPLICATION 12298143 PREVIOUSLY RECORDED ON REEL 042762 FRAME 0145. ASSIGNOR(S) HEREBY CONFIRMS THE SECURITY AGREEMENT SUPPLEMENT. Assignors: NXP B.V.
Assigned to MORGAN STANLEY SENIOR FUNDING, INC. reassignment MORGAN STANLEY SENIOR FUNDING, INC. CORRECTIVE ASSIGNMENT TO CORRECT THE REMOVE APPLICATION 12298143 PREVIOUSLY RECORDED ON REEL 038017 FRAME 0058. ASSIGNOR(S) HEREBY CONFIRMS THE SECURITY AGREEMENT SUPPLEMENT. Assignors: NXP B.V.
Assigned to MORGAN STANLEY SENIOR FUNDING, INC. reassignment MORGAN STANLEY SENIOR FUNDING, INC. CORRECTIVE ASSIGNMENT TO CORRECT THE REMOVE APPLICATION 12298143 PREVIOUSLY RECORDED ON REEL 039361 FRAME 0212. ASSIGNOR(S) HEREBY CONFIRMS THE SECURITY AGREEMENT SUPPLEMENT. Assignors: NXP B.V.
Assigned to MORGAN STANLEY SENIOR FUNDING, INC. reassignment MORGAN STANLEY SENIOR FUNDING, INC. CORRECTIVE ASSIGNMENT TO CORRECT THE REMOVE APPLICATION 12298143 PREVIOUSLY RECORDED ON REEL 042985 FRAME 0001. ASSIGNOR(S) HEREBY CONFIRMS THE SECURITY AGREEMENT SUPPLEMENT. Assignors: NXP B.V.
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10237—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the reader and the record carrier being capable of selectively switching between reader and record carrier appearance, e.g. in near field communication [NFC] devices where the NFC device may function as an RFID reader or as an RFID tag
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/14—Direct-mode setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium

Definitions

  • NFC Near Field Communication
  • NFC Near Field Communication
  • the technology is a simple extension of the ISO/IEC 14443 proximity-card standard (contactless card, RFID) that combines the interface of a smartcard and a reader into a single device.
  • An NFC device can communicate with both existing ISO/IEC 14443 smartcards and readers, as well as with other NFC devices, and is thereby compatible with existing contactless infrastructure already in use for public transportation and payment.
  • NFC is primarily aimed at usage in mobile phones.
  • NFC technology (standardized in ISO/IEC 18092) is currently mainly aimed at being used with mobile phones. There are three main use cases for NFC:
  • a NFC device may provide the card emulation and the P2P mode in parallel, this may lead to a collision at the RF side, i.e. the side of an external device.
  • FIG. 1 illustrates a near field communication device according to an exemplary embodiment of the invention.
  • FIG. 2 illustrates a communication between a NFC device and an external device in a transactional flow diagram according to a common system.
  • FIG. 3 illustrates a communication between a NFC device and an external device in a transactional flow diagram according to a further common system.
  • FIG. 4 illustrates a communication between a NFC device and an external device in a transactional flow diagram according to an exemplary embodiment of the invention.
  • FIG. 5 illustrates a communication between a NFC device and an external device in a transactional flow diagram according to a further exemplary embodiment of the invention.
  • a near field communication device being operable in a first operating state and a second operating state
  • the near field communication device comprising a communication unit adapted for communicating with an external device and a control unit coupled to the communication unit, wherein the control unit is adapted for controlling the communication unit to be presented to the external device to be in the first operating state and supporting the second operating state, and wherein the control unit is adapted for switching the communication unit from the first operating state to the second operating state upon receipt of a configuration signal received from the external device.
  • a method for operating a near field communication device in a first and a second operating state comprising controlling a communication unit by a control unit for presenting the communication unit to an external device to be in the first operating state and supporting the second operating state, and switching the communication unit from the first operating state to the second operating state upon receipt of a configuration signal received from the external device.
  • a communication system comprising a near field communication device with the above mentioned features and an external device.
  • a program element for instance a software routine, in source code or in executable code
  • a processor when being executed by a processor, is adapted to control or carry out a method having the above mentioned features.
  • a computer-readable medium for instance a CD, a DVD, a USB stick, a floppy disk or a harddisk
  • a computer program is stored which, when being executed by a processor, is adapted to control or carry out a method having the above mentioned features.
  • Operating a near field communication device in a first and a second operating state which may be performed according to embodiments of the invention can be realized by a computer program, that is by software, or by using one or more special electronic optimization circuits, that is in hardware, or in hybrid form, that is by means of software components and hardware components.
  • NFC near field communication
  • RFID proximity-card standard
  • An NFC device may communicate with both existing ISO/IEC 14443 smartcards and readers, as well as with other NFC devices, and is thereby compatible with existing contactless infrastructure already in use for public transportation and payment. NFC and thus this invention may for example be used in mobile phones.
  • the term “communication unit” may denote for example a module responsible for the communication with external devices.
  • control unit may denote any kind of unit which is able to control the communication unit and to switch the communication unit between a first operating state and a second operating state.
  • the communication unit and the control unit may be formed on a single chip or as separate units.
  • the conflict between for example card emulation and P2P features may be solved by implementing a specific way of handling this case in the NFC device.
  • the basis of the solution may be to expose only the card emulation feature, first operating state, but modifying the RF initialization parameters to also expose P2P capabilities, supporting second operating state.
  • the communication unit in the first operating state, is adapted for providing a service of a contactless card.
  • the NFC device may behave like an existing contactless card for example for payment, ticketing, transport, access control.
  • the communication between the NFC device and the external device may be unidirectional.
  • the communication unit in the second operating state, is adapted for exchanging information with the external device.
  • This may be called P2P mode, wherein two NFC devices are communicating together and exchanging information, for example easy peering connection, data transfers from device to device.
  • the communication between the NFC device and the external device may be bidirectional.
  • the communication unit is adapted for receiving a communication initialization signal from the external device and for sending a response signal to the external device in response to receipt of the communication initialization signal, wherein the response signal comprises information presenting the device to the external device to be in the first operating state and supporting the second operating state.
  • the parameters of the two operating states may be merged during the RF initialization to only expose one “card” to the external reader. This “merge card” may own parameters showing the support of the two operating states.
  • the RF initialization parameter named “SAK” defined by ISO/IEC 14443 standard, renamed as “SEL_RES” by ISO/IEC 18092 standard, may indicate the support of the ISO/IEC 18092 protocol thanks to one bit (bit 6 ). Then, only the card emulation parameters for the RF initialization may be used, setting the relevant bit of the SAK to indicate P2P support.
  • the communication unit is adapted for receiving the configuration signal indicative of a selection by the external device, which of the first and the second operating state is selected.
  • the external reader may select the related feature according to its own application by means of an upper layer command during the last stage of RF initialization (either ISO/IEC 14443 RATS command, or ISO/IEC 18092 ATR_REQ command, or even a proprietary command).
  • the device is a mobile device.
  • the device is realised as at least one of the group consisting of a mobile phone, a hearing aid, a dictating machine, a conference call device, a portable audio player, a portable video player, a head mounted display, a medical communication system, a body-worn device, a DVD player, a CD player, a harddisk-based media player, an internet radio device, a public entertainment device, and an MP3 player.
  • the external device is a mobile host.
  • a mobile host may be any kind of external device or portable terminal which may be connectable to the communication unit.
  • the near field communication (NFC) device may be adapted for wireless communication with the external device which may be particularly a reading device, for reading data from the NFC device.
  • the NFC device and the reading device may comprise corresponding transmission elements.
  • the NFC device may comprise an antenna, wherein the reading device may comprise a corresponding receiving antenna.
  • the inventive device is not limited to wireless or contactless data transmission, but in principle also applies to wireless communication.
  • a NFC device behaves as a “real” contactless card (as defined by ISO/IEC 14443 standard) in order to provide card emulation features. It implies, for the type A part, answering to the RF initialization.
  • P2P feature as defined by ISO/IEC 18092 standard
  • the NFC device provides both features in parallel, it leads to a collision at RF side which has to be resolved by the external NFC device as shown in FIG. 2 .
  • Most of contactless readers in the field are not supporting the collision preventing then any transaction.
  • FIG. 2 shows a flow diagram of RF initialization from an external ISO/IEC 14443 reader.
  • the external device or contactless reader receives in response to the initialization signal a signal referring to card emulation and to P2P mode.
  • a collision occurs, which has to be solves by the NFC device.
  • FIG. 3 shows a transactional flow diagram according to a further common system.
  • the NFC device In front of an ISO/IEC 18092 initiator, that means a further NFC device, the NFC device would behave as NFC device in a P2P mode. A collision would occur as in FIG. 2 .
  • a solution to expose both features with no collision at RF side is required to allow the NFC system (integrating the NFC device) enabling different types of application at the same type which is the real interest of NFC technology.
  • the basis of the solution is to expose only the card emulation feature but modifying the RF initialization parameters to also expose P2P capabilities.
  • a near field communication device 100 is shown being operable in a first operating state and a second operating state.
  • the near field communication device 100 comprises a communication unit 102 adapted for communicating with an external device 103 .
  • a control unit 101 is coupled to the communication unit.
  • the control unit is adapted for controlling the communication unit to be presented to the external device to be in the first operating state and supporting the second operating state.
  • the control unit is further adapted for switching the communication unit from the first operating state to the second operating state upon receipt of a configuration signal received from the external device.
  • Principle of the solution is to merge the parameters of the different modes, i.e. operating states, during the RF initialization to only expose one “card” to the external reader.
  • This “merge card” owns parameters showing the support of the two modes.
  • the RF initialization parameter named “SAK” defined by ISO/IEC 14443 standard, renamed as “SEL_RES” by ISO/IEC 18092 standard indicates the support of the ISO/IEC 18092 protocol thanks to one bit (bit 6 ).
  • the solution proposed is then to make use of only the card emulation parameters for the RF initialization, setting the relevant bit of the SAK to indicate P2P support.
  • the external reader selects then the related feature according to its own application by means of an upper layer command during the last stage of RF initialization (either ISO/IEC 14443 RATS command, or ISO/IEC 18092 ATR_REQ command, or even a proprietary command).
  • an upper layer command during the last stage of RF initialization (either ISO/IEC 14443 RATS command, or ISO/IEC 18092 ATR_REQ command, or even a proprietary command).
  • FIG. 4 a transactional flow diagram is shown detailing the proposed solution implemented in the NFC device to avoid the collision detection by an ISO/IEC 14443 reader.
  • WUPA initialization signal
  • a response signal referring to card emulation is sent back showing that also the P2P functions are supported. Thus, no collision may occur.
  • the external device may then select the card emulation mode.
  • FIG. 5 a transactional flow diagram is shown, wherein, in contrast to the diagram of FIG. 4 , the P2P mode is selected. Also in this case, no collision occurs thanks to the response signal of the NFC device presenting to be in the first operation mode and supporting the second operation mode.
  • the proposed solution to resolve the conflict allows enabling in parallel both the card emulation and the P2P features without any collision at RF side which is mandatory if the user wants to keep activated P2P applications and card emulation ones.

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
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  • Near-Field Transmission Systems (AREA)
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US12/882,191 2009-09-14 2010-09-14 Near field communication device Active 2032-05-19 US8626066B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP09290699.9 2009-09-14
EP09290699 2009-09-14
EP09290699.9A EP2296292B1 (fr) 2009-09-14 2009-09-14 Dispositif de communication de champ proche

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Cited By (3)

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US20130267169A1 (en) * 2012-04-10 2013-10-10 Qualcomm Incorporated Methods and apparatus for improving device activition among a plurality of nfc devices that support type a rf technology
US20130332756A1 (en) * 2012-06-07 2013-12-12 Samsung Electronics Co., Ltd. Near field communication device and power management method of electronic apparatus comprising the same
US10651897B2 (en) 2015-04-14 2020-05-12 Samsung Electronics Co., Ltd Near field communication package and portable device including the same

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DE102010041745A1 (de) * 2010-09-30 2012-04-19 Bundesdruckerei Gmbh Verfahren zum Lesen eines RFID-Tokens, RFID-Karte und elektronisches Gerät
US9113284B2 (en) 2011-08-26 2015-08-18 Qualcomm Incorporated Methods and apparatus for improving management of NFC logical connections
US9118354B2 (en) * 2011-08-30 2015-08-25 Apple Inc. Electronic device with shared near field communications element
JP6019675B2 (ja) 2012-03-30 2016-11-02 ブラザー工業株式会社 機能実行装置
JP6019676B2 (ja) 2012-03-30 2016-11-02 ブラザー工業株式会社 通信装置
JP5867319B2 (ja) 2012-07-03 2016-02-24 ブラザー工業株式会社 通信装置
JP5958161B2 (ja) 2012-08-03 2016-07-27 ブラザー工業株式会社 通信装置
JP5900226B2 (ja) 2012-08-03 2016-04-06 ブラザー工業株式会社 通信装置
JP5900228B2 (ja) 2012-08-06 2016-04-06 ブラザー工業株式会社 通信装置
US10891599B2 (en) * 2012-09-12 2021-01-12 Microsoft Technology Licensing, Llc Use of state objects in near field communication (NFC) transactions
US9276639B2 (en) 2013-02-25 2016-03-01 Apple Inc. Wirelessly charged electronic device with shared inductor circuitry
CN104065399B (zh) * 2013-03-20 2017-09-01 华为终端有限公司 协商工作模式的方法、设备及系统
JP6123416B2 (ja) 2013-03-28 2017-05-10 ブラザー工業株式会社 通信装置
JP6264815B2 (ja) 2013-09-30 2018-01-24 ブラザー工業株式会社 通信装置
TWI502369B (zh) * 2013-10-22 2015-10-01 達意科技股份有限公司 電子系統
US9635698B2 (en) 2013-11-20 2017-04-25 At&T Intellectual Property I, L.P. Method and apparatus for enabling a mobile endpoint device to be a hub for a conference call
JP6402494B2 (ja) 2014-05-30 2018-10-10 ブラザー工業株式会社 機能実行システム、機能実行装置、及び、通信端末
JP6202030B2 (ja) * 2015-03-27 2017-09-27 コニカミノルタ株式会社 認証システム、認証システムを制御するコンピュータプログラム、およびその認証システムに用いる読取装置

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Cited By (5)

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Publication number Priority date Publication date Assignee Title
US20130267169A1 (en) * 2012-04-10 2013-10-10 Qualcomm Incorporated Methods and apparatus for improving device activition among a plurality of nfc devices that support type a rf technology
US9094049B2 (en) * 2012-04-10 2015-07-28 Qualcomm Incorporated Methods and apparatus for improving device activition among a plurality of NFC devices that support type a RF technology
US20130332756A1 (en) * 2012-06-07 2013-12-12 Samsung Electronics Co., Ltd. Near field communication device and power management method of electronic apparatus comprising the same
US9223370B2 (en) * 2012-06-07 2015-12-29 Samsung Electronics Co., Ltd. Near field communication device operating in multiple battery modes and power management method of electronic apparatus comprising the same
US10651897B2 (en) 2015-04-14 2020-05-12 Samsung Electronics Co., Ltd Near field communication package and portable device including the same

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US20110065385A1 (en) 2011-03-17
EP2296292A1 (fr) 2011-03-16
EP2296292B1 (fr) 2019-01-16

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